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// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef TEST_UNIT_SPIRV_H_
#define TEST_UNIT_SPIRV_H_
#include <stdint.h>
#include <iomanip>
#include <string>
#include <vector>
#include "gtest/gtest.h"
#include "source/assembly_grammar.h"
#include "source/binary.h"
#include "source/diagnostic.h"
#include "source/enum_set.h"
#include "source/opcode.h"
#include "source/spirv_endian.h"
#include "source/text.h"
#include "source/text_handler.h"
#include "source/val/validate.h"
#include "spirv-tools/libspirv.h"
#ifdef __ANDROID__
#include <sstream>
namespace std {
template <typename T>
std::string to_string(const T& val) {
std::ostringstream os;
os << val;
return os.str();
}
} // namespace std
#endif
// Determine endianness & predicate tests on it
enum {
I32_ENDIAN_LITTLE = 0x03020100ul,
I32_ENDIAN_BIG = 0x00010203ul,
};
static const union {
unsigned char bytes[4];
uint32_t value;
} o32_host_order = {{0, 1, 2, 3}};
#define I32_ENDIAN_HOST (o32_host_order.value)
// A namespace for utilities used in SPIR-V Tools unit tests.
namespace spvtest {
class WordVector;
// Emits the given word vector to the given stream.
// This function can be used by the gtest value printer.
void PrintTo(const WordVector& words, ::std::ostream* os);
// A proxy class to allow us to easily write out vectors of SPIR-V words.
class WordVector {
public:
explicit WordVector(const std::vector<uint32_t>& val) : value_(val) {}
explicit WordVector(const spv_binary_t& binary)
: value_(binary.code, binary.code + binary.wordCount) {}
// Returns the underlying vector.
const std::vector<uint32_t>& value() const { return value_; }
// Returns the string representation of this word vector.
std::string str() const {
std::ostringstream os;
PrintTo(*this, &os);
return os.str();
}
private:
const std::vector<uint32_t> value_;
};
inline void PrintTo(const WordVector& words, ::std::ostream* os) {
size_t count = 0;
const auto saved_flags = os->flags();
const auto saved_fill = os->fill();
for (uint32_t value : words.value()) {
*os << "0x" << std::setw(8) << std::setfill('0') << std::hex << value
<< " ";
if (count++ % 8 == 7) {
*os << std::endl;
}
}
os->flags(saved_flags);
os->fill(saved_fill);
}
// Returns a vector of words representing a single instruction with the
// given opcode and operand words as a vector.
inline std::vector<uint32_t> MakeInstruction(
spv::Op opcode, const std::vector<uint32_t>& args) {
std::vector<uint32_t> result{
spvOpcodeMake(uint16_t(args.size() + 1), opcode)};
result.insert(result.end(), args.begin(), args.end());
return result;
}
// Returns a vector of words representing a single instruction with the
// given opcode and whose operands are the concatenation of the two given
// argument lists.
inline std::vector<uint32_t> MakeInstruction(
spv::Op opcode, std::vector<uint32_t> args,
const std::vector<uint32_t>& extra_args) {
args.insert(args.end(), extra_args.begin(), extra_args.end());
return MakeInstruction(opcode, args);
}
// Returns the vector of words representing the concatenation
// of all input vectors.
inline std::vector<uint32_t> Concatenate(
const std::vector<std::vector<uint32_t>>& instructions) {
std::vector<uint32_t> result;
for (const auto& instruction : instructions) {
result.insert(result.end(), instruction.begin(), instruction.end());
}
return result;
}
// A type for easily creating spv_text_t values, with an implicit conversion to
// spv_text.
struct AutoText {
explicit AutoText(const std::string& value)
: str(value), text({str.data(), str.size()}) {}
operator spv_text() { return &text; }
std::string str;
spv_text_t text;
};
// An example case for an enumerated value, optionally with operands.
template <typename E>
class EnumCase {
public:
EnumCase() = default; // Required by ::testing::Combine().
EnumCase(E val, std::string enum_name, std::vector<uint32_t> ops = {})
: enum_value_(val), name_(enum_name), operands_(ops) {}
// Returns the enum value as a uint32_t.
uint32_t value() const { return static_cast<uint32_t>(enum_value_); }
// Returns the name of the enumerant.
const std::string& name() const { return name_; }
// Returns a reference to the operands.
const std::vector<uint32_t>& operands() const { return operands_; }
private:
E enum_value_;
std::string name_;
std::vector<uint32_t> operands_;
};
// Returns a string with num_4_byte_chars Unicode characters,
// each of which has a 4-byte UTF-8 encoding.
inline std::string MakeLongUTF8String(size_t num_4_byte_chars) {
// An example of a longest valid UTF-8 character.
// Be explicit about the character type because Microsoft compilers can
// otherwise interpret the character string as being over wide (16-bit)
// characters. Ideally, we would just use a C++11 UTF-8 string literal,
// but we want to support older Microsoft compilers.
const std::basic_string<char> earth_africa("\xF0\x9F\x8C\x8D");
EXPECT_EQ(4u, earth_africa.size());
std::string result;
result.reserve(num_4_byte_chars * 4);
for (size_t i = 0; i < num_4_byte_chars; i++) {
result += earth_africa;
}
EXPECT_EQ(4 * num_4_byte_chars, result.size());
return result;
}
// Returns a vector of all valid target environment enums.
inline std::vector<spv_target_env> AllTargetEnvironments() {
return {
SPV_ENV_UNIVERSAL_1_0, SPV_ENV_UNIVERSAL_1_1,
SPV_ENV_OPENCL_1_2, SPV_ENV_OPENCL_EMBEDDED_1_2,
SPV_ENV_OPENCL_2_0, SPV_ENV_OPENCL_EMBEDDED_2_0,
SPV_ENV_OPENCL_2_1, SPV_ENV_OPENCL_EMBEDDED_2_1,
SPV_ENV_OPENCL_2_2, SPV_ENV_OPENCL_EMBEDDED_2_2,
SPV_ENV_VULKAN_1_0, SPV_ENV_OPENGL_4_0,
SPV_ENV_OPENGL_4_1, SPV_ENV_OPENGL_4_2,
SPV_ENV_OPENGL_4_3, SPV_ENV_OPENGL_4_5,
SPV_ENV_UNIVERSAL_1_2, SPV_ENV_UNIVERSAL_1_3,
SPV_ENV_VULKAN_1_1,
};
}
// Returns the capabilities in a CapabilitySet as an ordered vector.
inline std::vector<spv::Capability> ElementsIn(
const spvtools::CapabilitySet& capabilities) {
std::vector<spv::Capability> result;
capabilities.ForEach([&result](spv::Capability c) { result.push_back(c); });
return result;
}
} // namespace spvtest
#endif // TEST_UNIT_SPIRV_H_
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